Hi
On the form which have scrollbars when we click on datetime control picker or checkbox which is located on the bottom of the form, form autmatically scroll to the top of the form, just like we set target="_top" in a href tag.
Milosz, you should report this to the Help Desk. You can submit it online here http://ework.metastorm.com/web/support/online_support.asp or get their contact info here http://communitycentral.metastorm.com/t5/custom/page/page-id/support